# [prefix_]getEntryHashData

Use this function to return any data from the entry that should be checked for modifications before an entry is ingested. If the data has not been changed for the entry, no further processing of the entry is performed.

Inputs: | xml (XmlDocument), document (Document)
Outputs: | hashData (list:{string})
See also: |

## Example

    function myPrefix_getEntryHashData(xml, document)
       return {
          xml:XPathValue("~/version"),
          xml:XPathValue("~/size")
       }
    end

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